Nietzsche holds that moral values are not conducive to the flourishing of human

—Nietzsche holds that moral values are not conducive to the flourishing of human excellence,—

You mean, ‘moral norms’ not moral laws. As a german he is both a conflator and a prisoner of conflation of others. Non-operationalism bites him too.

All moral laws are negative. I am having a hard time understanding what inspiration to greatness (aesthetics) and morals have to do with one another. (Nothing).